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BMW 1 Series Hatchback 3dr (F21) M135i (320 Hp) Steptronic
Overall Rating
BMW 1 Series:
The BMW 1 Series is a range of subcompact executive cars manufactured by BMW since 2004. It is the successor to the BMW 3 Series Compact and is currently in its fourth generation. Positioned as the entry-level model in BMW range of products, the first generation was produced in hatchback, coupé and convertible body styles.
Since 2014, the coupé and convertible models have been marketed separately as the 2 Series, therefore the 1 Series range no longer includes these body styles. A four-door sedan model became available for the Chinese market in 2017, using the front-wheel drive platform that is also used the basis for the third-generation 1 Series hatchback....(Read more on Wikipedia)
Hatchback 3dr (F21) Overview:
BMW 1 Series (Hatchback 3dr (F21)). With 450 Nm of torque, it offers ample pulling power. It has moderate fuel consumption (~10.3 l/100km). With a weight of 1440 kg, it falls in the mid‑range. Rear‑wheel drive offers dynamic handling and sporty feedback. Acceleration is excellent (0–100 km/h in 4.9 s). The top speed reaches 250 km/h. A compact car with a rear door that swings upward to provide access to the cargo area. Seating for 4 makes it ideal for daily use.
M135i (320 Hp) Steptronic Verdict:
Performance Verdict
High-performance variant with blistering acceleration and a powerful inline-six engine, enhanced by the quick Steptronic gearbox.
Fuel Economy
Impressive fuel economy for its performance level, though still a thirsty engine when driven hard.
Pros and Cons:
Pros:
- • Engaging rear-wheel-drive dynamics (or xDrive grip)
- • Wide range of efficient and powerful engines
- • Premium interior quality and technology for its class
- • Practical hatchback versatility with decent boot space
- • Strong safety rating (5-star Euro NCAP)
Cons:
- • Firm ride, especially on M Sport models or larger wheels
- • Rear passenger space can be cramped for adults
- • Higher purchase price and running costs than some rivals
- • Interior design can feel a bit conservative compared to some competitors
Specifications:
Specifications are compared to those of the previous generation(Convertible (E88 LCI, facelift 2011): 2011 - 2013).
| General: | |
|---|---|
| Brand: | BMW |
| Model: | 1 Series |
| Generation: | Hatchback 3dr (F21) |
| Modification (Engine): | M135i (320 Hp) Steptronic |
| Start of production: | 2012 |
| End of production: | 2015 |
| Powertrain Architecture: | Internal Combustion engine |
| Body type: | Hatchback |
| Seats: | 4-5 |
| Doors: | 3 |
| Engine: | |
|---|---|
| Power: | 320 Hp @ 5800 rpm. Same horsepower |
| Power per litre: | 107.4 Hp/l [20mm less] |
| Torque: | 450 Nm @ 1300-4500 rpm. |
| Engine Model/Code: | N55B30A More details about the engine N55B30A |
| Engine displacement: | 2979 |
| Number of cylinders: | 6 |
| Engine configuration: | Inline |
| Number of valves per cylinder: | 4 |
| Fuel injection system: | Direct injection |
| Engine aspiration: | Twin-power turbo, Intercooler |
| Engine oil capacity: | 6.5 l |
| Coolant: | 6.7 l |
| Engine layout: | Front, Longitudinal |
| Cylinder Bore: | 84 mm mm |
| Piston Stroke: | 89.6 mm mm |
| Compression ratio: | 10.2:1 |
| Performance: | |
|---|---|
| Fuel Type: | Petrol (Gasoline) |
| Fuel consumption (economy) - urban: | 10.3 l/100 km |
| Fuel consumption (economy) - extra urban: | 5.8 l/100 km |
| Fuel consumption (economy) - combined: | 7.5 l/100 km |
| Emission standard: | Euro 5 |
| Acceleration 0 - 100 km/h: | 4.9 sec |
| Acceleration 0 - 62 mph: | 4.9 sec |
| Maximum speed: | 250 km/h |
| Weight-to-power ratio: | 4.5 kg/Hp, 222.2 Hp/tonne |
| Weight-to-torque ratio: | 3.2 kg/Nm, 312.5 Nm/tonne |
| Acceleration 0 - 60 mph: | 4.7 sec |
| Space: | |
|---|---|
| Kerb Weight: | 1440 |
| Max. weight: | 1970 |
| Max. roof load: | 75 kg |
| Max load: | 530 |
| Trunk (boot) space - maximum: | 1200 l |
| Trunk (boot) space - minimum: | 360 l |
| Fuel tank capacity: | 52 l |
| Size: | |
|---|---|
| Length: | 4340 mm mm [20mm less] |
| Width: | 1765 mm mm [17mm more] |
| Height: | 1411 mm mm [Same height.] |
| Wheelbase: | 2690 mm mm [30mm more] |
| Front track: | 1512 mm |
| Rear (Back) track: | 1532 mm |
| Ride height (ground clearance): | 130 mm |
| Minimum turning circle (turning diameter): | 10.9 m [above average] |
| Powertrain: | |
|---|---|
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears | 8 |
| Transmission type | Automatic |
| Gearbox type | Steptronic |
| Front brakes | Ventilated discs [Best for performance and cooling.] |
| Rear brakes | Ventilated discs [Best for performance and cooling.] |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Tires size | 225/40 R18 88Y; 245/35 R18 88Y |
| Wheel rims size | 7.5J x 18; 8J x 18 |
| Front suspension | Double wishbone |
| Rear suspension | Independent multi-link suspension |
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